Hi,
Any comment on this?
Gustavo
2016-03-22 Gustavo Padovan gustavo@padovan.org:
From: Gustavo Padovan gustavo.padovan@collabora.co.uk
virtio_gpu was failing to send vblank events when using the atomic IOCTL with the DRM_MODE_PAGE_FLIP_EVENT flag set. This patch fixes each and enables atomic pageflips updates.
Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk
drivers/gpu/drm/virtio/virtgpu_display.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index b70bb8b..4f372e0 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -274,12 +274,24 @@ static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, return 0; }
+static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)+{
- unsigned long flags;
- spin_lock_irqsave(&crtc->dev->event_lock, flags);
- if (crtc->state->event)
drm_crtc_send_vblank_event(crtc, crtc->state->event);- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+}
static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = { .enable = virtio_gpu_crtc_enable, .disable = virtio_gpu_crtc_disable, .mode_fixup = virtio_gpu_crtc_mode_fixup, .mode_set_nofb = virtio_gpu_crtc_mode_set_nofb, .atomic_check = virtio_gpu_crtc_atomic_check,
- .atomic_flush = virtio_gpu_crtc_atomic_flush,
};
static void virtio_gpu_enc_mode_set(struct drm_encoder *encoder,
2.5.0
Gustavo